Home / 7,820,329.02-10,788,975.12-4,878,434.16

Finding the Fourth Proportional to 7,820,329.02, 10,788,975.12 and 4,878,434.16

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Solution

The fourth proportional to 7,820,329.02, 10,788,975.12 and 4,878,434.16 is: 6,730,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,329.02 : 10,788,975.12 = 4,878,434.16 : x
  2. Step 2: Convert to fraction form
    7,820,329.02/10,788,975.12 = 4,878,434.16/x
  3. Step 3: Cross multiply
    7,820,329.02x = 10,788,975.12 × 4,878,434.16
  4. Step 4: Simplify right side
    7,820,329.02x = 52,633,304,776,798.09
  5. Step 5: Solve for x
    x = 52,633,304,776,798.09/7,820,329.02
  6. Step 6: Final answer
    x = 6,730,318.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.